S. Bee Yeap, X. Qing and Z. N. Chen, "Metamaterial magneto inductive lens for magnetic resonance imaging," 2016 International Workshop on Antenna Technology (iWAT), Cocoa Beach, FL, 2016, pp. 138-141. doi: 10.1109/IWAT.2016.7434824
A metamaterial magneto inductive lens is presented for the coil design in magnetic resonance imaging (MRI) applications, which is expected to enhance the magnetic field intensity of surface coils for improvement of the signal to noise ratio (SNR) of the MRI systems. The split-ring based lens is constructed into a pair of parallel two-dimensional arrays, that is, a metamaterial magneto inductive lens, providing minimum loading to the coil. Measurements show that the magnetic field intensity of the coil with metamaterial magneto inductive lens is improved about 2 dB at 295 MHz over a conventional coil at a distance of 10 mm, which is promising for pre-clinical study in a 7T MRI system at 300 MHz band.
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